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AleksanderRas

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531 posts edited
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21 Questions

Votes Activity Newest Views
8
19
votes
4
answers
3k
views

Are encryption algorithms with fixed-point free permutations inherently flawed?

encryption algorithm-design provable-security
Oct 13 '19 at 22:06 Community♦ 1
6
18
votes
0
answers
741
views

Crypto AG (Switzerland) - Which algorithms were used and how did the backdoors work?

protocol-design cryptographic-hardware history backdoors
Feb 6 at 16:14 Patriot 2,321
5
16
votes
1
answer
3k
views

Can neural cryptanalysis be applied to AES?

aes cryptanalysis des rijndael
Feb 18 '19 at 14:04 Maarten Bodewes♦ 77.3k
2
10
votes
3
answers
2k
views

Homomorphic encryption - Why does addition not imply multiplication?

homomorphic-encryption
Dec 29 '18 at 16:40 Ella Rose 18.8k
3
6
votes
3
answers
558
views

Can Shor's algorithm factor multi-prime numbers?

rsa factoring quantum-cryptanalysis shors-algorithm
Feb 15 at 1:18 forest 11.5k
1
5
votes
1
answer
101
views

What are the uses of arbitrary length output hashes (other than OAEP)?

hash keccak oaep
Mar 4 '19 at 3:07 Community♦ 1
1
4
votes
2
answers
279
views

When does multiple OTP encryption become insecure if new keys are permuted? ​

one-time-pad perfect-secrecy
Aug 23 '19 at 21:18 Squeamish Ossifrage 43k
4
4
votes
1
answer
456
views

Is the practice of “security through obscurity” violating Kerckhoffs's second principle?

security-definition
Oct 17 '18 at 11:26 Paul Uszak 12k
1
4
votes
1
answer
189
views

Is obfuscation always reversable?

software-obfuscation
Jul 10 '18 at 17:14 SEJPM♦ 42.4k
 
3
votes
1
answer
631
views

PRNG with a truly random seed?

pseudo-random-generator
Sep 4 '18 at 21:57 Maarten Bodewes♦ 77.3k
 
2
votes
2
answers
298
views

Have there been efforts to prevent length extension attacks of hashing algorithms that are based on the Merkle–Damgård construction?

hash merkle-damgaard length-extension
Apr 5 '19 at 11:19 kelalaka 32.8k
 
2
votes
2
answers
145
views

Authentication without decrypting the password?

authentication passwords two-factor-authentication
Jan 26 '19 at 12:14 simbo1905 555
 
2
votes
1
answer
90
views

Is there a rule of thumb for ZK protocols?

zero-knowledge-proofs probability
Dec 7 '18 at 17:10 Geoffroy Couteau 14.3k
2
2
votes
1
answer
2k
views

GUIDs as a salt

salt password-hashing
Oct 17 '18 at 2:45 Community♦ 1
 
2
votes
2
answers
563
views

Optimal bit-change-probability of the avalanche effect for hashes

hash avalanche
Oct 7 '18 at 10:16 fgrieu♦ 110k
 
2
votes
2
answers
189
views

Whatsapp E2EE - Why scanning the QR-code?

encryption
Sep 8 '18 at 14:45 AleksanderRas 6,038
 
1
vote
1
answer
111
views

Are there any classical proven secure cryptographic algorithms other than OTP? [duplicate]

provable-security perfect-secrecy
Jul 1 '19 at 7:59 Community♦ 1
 
1
vote
1
answer
183
views

Is a hashing algorithm considered broken if a collision happens under $2^{n/2}$?

hash collision-resistance
Feb 14 '19 at 8:09 AleksanderRas 6,038
 
1
vote
1
answer
63
views

Frequency analysis secure language

frequency-analysis
Sep 8 '18 at 21:19 Shan Chen 2,515
 
1
vote
2
answers
139
views

Hashing login and password?

hash passwords
May 8 '18 at 6:10 Future Security 3,051
1
1
vote
3
answers
938
views

Information-theoretic security [closed]

encryption provable-security post-quantum-cryptography
Apr 27 '18 at 17:20 Guru Vamsi Policharla 78
Cryptography
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